/*
 * @Description: In User Settings Edit
 * @Author: wangxiaojie
 * @Date: 2019-07-23 15:51:49
 * @LastEditTime: 2019-07-23 16:37:52
 * @LastEditors: Please set LastEditors
 */

/* 头部导航条 */
.tt-header{
    display: flex;
    position: fixed;
    box-sizing: border-box;
    width: 100%;
    max-width: 640px;
    height: 2.3rem;
    line-height: 2.3rem;
    text-align: center;
    top: 0;
    z-index: 200;
    border-bottom: 1px solid #ddd;
    background: #f8f8f8;
}
/* 左侧功能区 */
.tt-header > .left{
    flex-basis: 3rem; /* flex 宽度 */
    text-align: center;
    flex-shrink: 0; /* flex 不可压缩 */
}
/* 中间标题部分 */
.tt-header > .title{
    flex-grow: 1; /* flex 自动扩展 */
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}
/* 右侧功能区 */
.tt-header > .right{
    flex-basis: 3rem;
    flex-shrink: 0;
}